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Abstract

 

This article in AJ

  1. Vol. 57 No. 1, p. 89-90
     
    Received: July 3, 1964


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doi:10.2134/agronj1965.00021962005700010028x

Longevity of Soil Reaction Effects Following Lime and Alum Additions1

  1. T. B. Hutcheson and
  2. J. F. Freeman2

Synopsis

Synopsis

Effects of lime and aluminum sulfate on pH were quite pronounced 6 weeks after application, but had diminished in 12 months and changed little during an additional 24-month period. Three years after applications, little effect was evident on pH, exchangeable acidity, Al, Ca, or Mg below 8 inches. Exchangeable Al levels were less than 1/100th of those actually applied, indicating that hydrolysis and precipitation of Al as some species of aluminum hydroxide had occurred.

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